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Home > Products > Intermediates > J ACID 2-Amino-5-naphthol-7-sulfonic acid

J ACID 2-Amino-5-naphthol-7-sulfonic acid

Basic Info

Model No.: J ACID

Product Description

Product Description



    J ACID

1.Product Name



2.Product Specifications 





                                                  Grey to light brown powder





Gamma Acid%


Bis J Acid%




2-Naphthylamine ppm


3.Product Series


(1) TOBIAS ACID(2-Amino-1-naphthalenesulfonic)

(2) J ACID(2-Amino-5-naphthol-7-sulfonic acid)

(3) PHENYL J ACID(7-anilino-4-hydroxy-2-naphthalenesulfonic Acid)


(5) H ACID(1-amino-8-naphthol-3,6-disulfonic acid)



4. Applications 


The dry of J-acid is grey powder, difficultly soluble in water. Easily soluble in alkali-creating correspondence salt. The liquid of its sodium salt is blue fluorescence. Its chiorine compound of J acid is acicular yellow crystal, soluble in water, can be coupled to purple Dyes by itself when in the sodium carbonate solution.


It is used for production many dystuffs as the material, such as direct copper blue 151, direct scarlet 23, reactive brown K3R, carbonyl-j-acid and Bis-Acid etc.



5. Packing


Packed in 25kgs/bag

1*20GP=15MT without pallets=10-12mt with pallets

Packing details can be adjusted according to requirement. 


Company Information

1. Company Introduction

Qingdao Sanhuan Colorchem Co., Ltd. is a professional pigments, dyesand resins supplier. We were established

for import and export service of two Pigment factories, two Resin factories and three dyes factories in our group.

We aimed at high-quality products, competitive price and guaranteed delivery time which earn us high reputation

and good trust from customers all over the world.

Taking “Quality, Integrity, Innovation, Service” as central tenets,  we have established long-term stable and friendly

cooperation relationships with customers from North America, South America, Europe, Middle East, Southeast Asia, Africa and other areas.




2. Production line

20 years history of manufacturing, advanced equipment and strict production process guarantee that

our product quality is stable and superior.


3. QC and R&D

Research and development are always valued a lot during our exporting business operation. We have

special experts working to test and develop new products suitable for markets.

4. Certifications

Our production and company management are certified by BV certification authority.Some of our products acquired REACH pre-registration according to customers and market's requirement.

SGS, ROCH, FOOD CONTACT AND TOY CONTACT are also available based on requirement.

5. Alibaba and Trade Assurance

We are a 10 years golden supplier of Alibaba , and our work is highly approved by Alibaba.We are the member of Alibaba trade assurance. ensure your order quality and timely.My trade assurance account on is US $108,000.



1. About Price: The price is negotiable. It can be changed according to your quantity or package. So when you are making an inquiry, it's better if you could let us know the quantity you need.

2. About Sample: Sample is Free, but the air freight need to negotiate, normally it's better if you could take a part of them.

3. About MOQ: Normally 100-200kgs, other demands can also be solved by discussing details.

4. About Payment or other question: Pls email me or chat with me on Trade Manager directly. Whatsapp/Mobilephone: +008618561689601
Skype: cici.chemical


Contact Information






Contact us if you need more details on Amino Acid. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Sulfonic Acid、J Acid 2-amino-5-naphthol-7-sulfonic Acid. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Intermediates

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